Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5531139 | Unidirectional drive tool mechanism | Shih-Yueh Chen | 1996-07-02 |
| 5375665 | Motorized driving tool | Hsueh W. Hsueh | 1994-12-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5531139 | Unidirectional drive tool mechanism | Shih-Yueh Chen | 1996-07-02 |
| 5375665 | Motorized driving tool | Hsueh W. Hsueh | 1994-12-27 |